I can't speak for tptacek, but what I think he means (when he says "Been waiting a little while for this one to come out.") is that he's been waiting a while fo

I can't speak for tptacek, but what I think he means (when he says "Been waiting a little while for this one to come out.") is that he's been waiting a while for confirmation that Dual EC was explicitly designed as an RNG with an escrow system. I don't think he meant that he knew about it - instead, he was saying that there was evidence to be found that would demonstrate this. But I'm not tptacek, so who knows what he really means.